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221102022220001 = 1371039239415643
BaseRepresentation
bin110010010001011101010011…
…011111100101100011100001
31001222212010222002022202021222
4302101131103133211203201
5212440013420142020001
62102124511120224425
764400044140552206
oct6221352337454341
91058763862282258
10221102022220001
11644a492847517a
122096b077a6b115
13964aaa62a4c60
143c85575b49cad
151a865871c761b
hexc917537e58e1

221102022220001 has 8 divisors (see below), whose sum is σ = 238113222896640. Its totient is φ = 204091300516752.

The previous prime is 221102022219983. The next prime is 221102022220049. The reversal of 221102022220001 is 100022220201122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221102022220001 - 26 = 221102022219937 is a prime.

It is a super-2 number, since 2×2211020222200012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221102022220061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118784315 + ... + 120631328.

It is an arithmetic number, because the mean of its divisors is an integer number (29764152862080).

Almost surely, 2221102022220001 is an apocalyptic number.

It is an amenable number.

221102022220001 is a deficient number, since it is larger than the sum of its proper divisors (17011200676639).

221102022220001 is a wasteful number, since it uses less digits than its factorization.

221102022220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239486695.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221102022220001 its reverse (100022220201122), we get a palindrome (321124242421123).

The spelling of 221102022220001 in words is "two hundred twenty-one trillion, one hundred two billion, twenty-two million, two hundred twenty thousand, one".

Divisors: 1 13 71039 923507 239415643 3112403359 17007847863077 221102022220001